Science

To the naked eye, we see the Aurora Borealis and Aurora Australis lights as greenish and white. Full colors can only be seen in the photos.

There are many theories about the formation of the Moon, but the most probable is that in the early days of the Solar System, the proto-Earth collided with a celestial body the size of Mars, and this impact generated enough energy to throw enough material into Earth's orbit to form the Moon.

Phobos was photographed by the following probes: Mariner 7, Mariner 9, Viking 1, Phobos 2, Mars Global Surveyor, Mars Express, and Mars Reconnaissance Orbiter.

It is not yet known exactly which genes are responsible for the onset of mental anorexia nervosa.

A species of fungus capable of breaking down and digesting polyurethane has been discovered in the Amazon.

Snow crystals were first photographed in 1879.

Heated amber emits a pine-tree fragrance.

The first living organism sent to space from the U.S. was a chimpanzee called Ham.

The most memorable mission of Project Mercury was Freedom 7.

The Moon is so far the only celestial body on which humans have landed.